InChI=1/C21H27N5O2/c22-16-17-4-3-7-23-20(17)25-11-8-24(9-12-25)10-13-26-18(27)14-21(15-19(26)28)5-1-2-6-21/h3-4,7H,1-2,5-6,8-15H2/p+1/fC21H28N5O2/h24H/q+1 664FCBE1D7EB9A8A